1594444949 has 2 divisors, whose sum is σ = 1594444950. Its totient is φ = 1594444948.

The previous prime is 1594444937. The next prime is 1594444961. The reversal of 1594444949 is 9494444951.

It is a balanced prime because it is at equal distance from previous prime (1594444937) and next prime (1594444961).

It can be written as a sum of positive squares in only one way, i.e., 1514610724 + 79834225 = 38918^2 + 8935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1594444949 - 2⁴ = 1594444933 is a prime.

It is a super-2 number, since 2×1594444949² = 5084509390783225202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1594444949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1594444919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797222474 + 797222475.

It is an arithmetic number, because the mean of its divisors is an integer number (797222475).

Almost surely, 2^1594444949 is an apocalyptic number.

It is an amenable number.

1594444949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1594444949 is an equidigital number, since it uses as much as digits as its factorization.

1594444949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The square root of 1594444949 is about 39930.5014869586. The cubic root of 1594444949 is about 1168.2519367732.

The spelling of 1594444949 in words is "one billion, five hundred ninety-four million, four hundred forty-four thousand, nine hundred forty-nine".